How to fetch data using the Union method from two lists?
How to fetch data using Union method in LINQ?
Ask by Ethan Karla
Updated 24 Sep 2021
The Union method or operator is used to combine multiple collections or lists into a single collection or list and return collection with unique elements.
Syntax
Example
using System; using System.Collections.Generic; using System.Linq; public class Program { public static void Main() { List<string> count1= new List<string>() { 'UK', 'Australia', 'India', 'USA' }; List<string> count2 = new List<string>() { 'India', 'UAE', 'Canada', 'UK', 'China', 'Pok' }; List<string> list = count1.Union(count2).ToList(); list.ForEach( country => Console.WriteLine(country) ); Console.ReadLine(); } }Output